Alfvénic turbulence in high-latitude solar wind: Is latitude a relevant parameter?

Details Alfvénic turbulence in high-latitude solar wind: Is latitude a relevant parameter? Alfvénic turbulence in high-latitude solar wind: Is latitude a relevant parameter?

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..679..449b&link_type=abstract

SOLAR WIND TEN: Proceedings of the Tenth International Solar Wind Conference. AIP Conference Proceedings, Volume 679, pp. 449-4

Computer Science

Particle Emission, Solar Wind, Solar Wind Plasma, Sources Of Solar Wind, Interplanetary Magnetic Fields

Scientific paper

Plasma and magnetic field measurements by Ulysses during its first out-of-ecliptic orbit have allowed extensive investigations on the behavior of Alfvénic turbulence in high-latitude solar wind. Most analyses have shown that the turbulence evolution in high-latitude wind is radial, rather than latitudinal, in nature. However, a recent study based on magnetic field fluctuations has suggested that latitude might play a non negligible role. Here we further examine this possibility by using Elsässer's variables, that directly are related to the Alfvénic content of solar wind fluctuations. Our conclusion, supported by a comparison between polar and ecliptic observations, is that latitude does not appear to have an appreciable influence on the turbulence evolution in high-latitude solar wind.

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